CN216969085U - Device is maintained to shower nozzle for printer - Google Patents

Abstract

The utility model relates to a printer nozzle maintenance device, which comprises a supporting frame, wherein an installation frame is arranged above the rear part of the supporting frame, a plurality of longitudinally arranged ink receiving assemblies which are transversely arranged at intervals are arranged on the installation frame, each ink receiving assembly comprises an ink receiving disc, and the transverse position and the inclination angle of each ink receiving assembly correspond to the position of a bottom plate at the lower end of a printing module on a printer, so that the ink receiving discs and the lower end surfaces of the upper bottom plates of the printing modules corresponding to the ink receiving discs are mutually buckled in parallel; and the driving device is arranged on the supporting frame and connected with the mounting frame and used for driving the mounting frame to move back and forth so as to drive the ink receiving assembly to move back and forth. The ink receiving assemblies are driven by the driving device to move back and forth, the ink receiving assemblies are multiple in number, are matched and buckled with the bottom plates of the printing modules and receive waste ink, and are matched with the ink absorbing assembly to perform secondary cleaning on the bottom of the nozzle, so that the functional requirement on cleaning and maintaining the nozzle is met, and the normal operation of printing operation is ensured.

Description

Device is maintained to shower nozzle for printer

Technical Field

The utility model relates to the technical field of ink-jet printing equipment, in particular to a nozzle maintenance device for a printer.

Background

When a printing nozzle of an ink jet printer performs printing, due to different shapes and colors of patterns, the use frequency of each spray hole is different, so that part of the spray holes are dried to cause spray hole blockage, or the spray holes are wet and often stained with dust in the air to cause the spray hole blockage in the printing process. When the blockage of orifice appears in the printing process, need press the china ink in order to dredge the orifice to the shower nozzle at the printing in-process, the shower nozzle surface can persist ink or dry and hard particulate matter after pressing the china ink, for avoiding remaining the ink influence to print the quality, need can reprint after the ink clean up on shower nozzle surface.

In order to improve printing efficiency, often install multiunit print module above print platform, install the shower nozzle of a plurality of vertically crisscross concatenations on every print module, when wasing the shower nozzle, need make print platform descend, the shower nozzle is maintained the device and is moved forward to print module's below, when carrying out the pressure china ink to the shower nozzle and wasing, need accept useless ink and water conservancy diversion to useless ink drum, need clear up the useless ink or the washing liquid of shower nozzle bottom of every tandem after the pressure china ink finishes, make the shower nozzle bottom keep clean and tidy, in order to carry out subsequent printing.

In view of this, the utility model provides a nozzle maintenance device, which is provided with a plurality of groups of ink receiving disc assemblies, the positions and angles of the ink receiving disc assemblies are matched with those of a printing module, the ink receiving disc assemblies are moved forwards to the lower part of the printing module under the driving of a driving device to maintain a nozzle, and the ink receiving disc assemblies are moved backwards to initial positions after the maintenance is finished, so that the structure is compact, and the assembly is convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a printer nozzle maintenance device to solve the defects in the prior art, and the technical problem to be solved by the utility model is realized by the following technical scheme.

A jet head maintenance device for a printer comprises a supporting frame, wherein an installation frame is installed above the rear part of the supporting frame, a plurality of longitudinally arranged ink receiving assemblies which are transversely arranged at intervals are installed on the installation frame, each ink receiving assembly comprises an ink receiving disc, and the transverse position and the inclination angle of each ink receiving assembly correspond to the position of a bottom plate at the lower end of a printing module on the printer, so that the ink receiving discs and the lower end surfaces of the upper bottom plates of the printing modules corresponding to the ink receiving discs in position are mutually parallelly buckled; and the driving device is connected with the mounting frame and used for driving the mounting frame to move back and forth so as to drive the ink receiving assembly to move back and forth.

Preferably, the upper ends of the ink receiving assemblies form a multi-section plane close to a circular arc surface integrally, so that the upper end surfaces of the ink receiving assemblies are parallel to the lower end surface of the bottom plate in the printing module.

Preferably, after the ink receiving assembly is mounted on the mounting frame, the front end surfaces of the ink receiving discs on the ink receiving assembly are not flush with each other so as to match the position of the upper bottom plate of the printing module.

Preferably, the ink receiving assembly is provided with an installation mark, the installation frame is provided with a position mark corresponding to the installation mark on the ink receiving assembly, and the installation position of the ink receiving assembly is determined by matching the installation mark and the position mark.

Preferably, the front end of the ink receiving tray is provided with a protruding part, after the ink receiving assembly is mounted on the mounting frame, the front end surfaces of the protruding parts on the ink receiving tray are not flush with each other, and the positions of the front plate of the ink receiving tray and the front end surface of the protruding part correspond to the position of the ink absorbing assembly.

Preferably, the bottom end of the ink receiving disc is provided with an ink leaking hole, and the ink receiving disc gradually inclines downwards from the outer side edge part of the bottom end surface of the ink receiving disc to the ink leaking hole.

Preferably, the driving device comprises a motor, a driving wheel is mounted at the output end of the motor, the driving wheel is connected with a driven wheel through a first belt, a transmission shaft penetrates through the driven wheel, a first left belt wheel is mounted at the left end of the transmission shaft, a second left belt wheel and a third left belt wheel which are respectively located at the front and rear positions of the left side of the supporting frame are mounted on the supporting frame, and the first left belt wheel, the second left belt wheel and the third left belt wheel are connected with each other through a second belt; first installation piece is installed in the left side of installation frame, install first belt buckle on the first installation piece, first belt buckle with the second belt is mutually supported and is connected.

Preferably, a first left pressing wheel connected with the outer surface of the second belt in a matched mode is arranged between the first left belt wheel and the second left belt wheel, and a second left pressing wheel connected with the outer surface of the second belt in a matched mode is arranged between the first left belt wheel and the third left belt wheel.

Preferably, a first right belt wheel is mounted at the right end of the transmission shaft, a second right belt wheel and a third right belt wheel are mounted at the front and rear positions of the right side of the supporting frame respectively, and the first right belt wheel, the second right belt wheel and the third right belt wheel are connected with each other through a third belt; the right side of installation frame is installed the second and is installed the piece, install the second belt buckle on the second installation piece, the second belt buckle with the third belt is mutually supported and is connected.

Preferably, a first right pressing wheel connected with the outer surface of the third belt in a matched manner is arranged between the first right belt wheel and the second right belt wheel, and a second right pressing wheel connected with the outer surface of the third belt in a matched manner is arranged between the first right belt wheel and the third right belt wheel.

According to the utility model, the initial position of the mounting frame is positioned above the rear part of the supporting frame, when the spray head needs to be cleaned and maintained, the driving device drives the mounting frame to move forwards to the position below the printing module, the ink receiving assemblies on the mounting frame are transversely arranged, and the transverse position and the inclination angle correspond to the position of the bottom plate at the lower end of the printing module on the printer, so that the ink receiving disc on each ink receiving assembly and the bottom plate of the printing module above the ink receiving disc can be matched and buckled with each other, when the spray head is subjected to ink pressing flushing and dredging, the ink receiving disc receives waste ink pressed out from the spray head and guides the waste ink into the waste ink barrel, thereby avoiding pollution to other parts caused by the external spilling of the waste ink, and being more practical and environment-friendly; connect the front end of black subassembly to install the blotting subassembly, to the shower nozzle pressure black mediation back that finishes, drive arrangement drive installation frame moves backward, and the in-process that moves backward, the blotting subassembly adsorbs the remaining useless ink in shower nozzle bottom to make the shower nozzle bottom keep clean and tidy, so that carry out subsequent printing operation.

According to the maintenance device for the printer nozzle, the driving device drives the ink receiving assemblies to move back and forth, the ink receiving assemblies are multiple in number, are matched and buckled with the bottom plates of the printing modules and receive waste ink, and are matched with the ink absorbing assembly to perform secondary cleaning on the bottom of the nozzle, so that the functional requirements on cleaning and maintenance of the nozzle are met, and the normal operation of printing operation is guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic structural diagram of a driving device according to the present invention;

FIG. 6 is a schematic view of another embodiment of the driving device of the present invention;

FIG. 7 is a schematic view of the ink receiving assembly of the present invention;

FIG. 8 is a schematic view of the mounting bracket of the present invention;

FIG. 9 is a schematic structural view of an ink receiving tray according to the present invention;

the reference numbers in the figures are, in order: 1. 11, a left side plate, 12, a right side plate, 13, a front side plate, 131, a position indicator, 14, a rear side plate, 2, an ink receiving component, 21, an ink receiving disc, 211, an ink leaking hole, 212, a front plate, 213, a protrusion, 214, a sinking platform, 22, an ink absorbing component, 23, a mounting bracket, 231, a left bracket, 232, a right bracket, 2321, a mounting indicator, 233, a first bottom bracket, 234, a second bottom bracket, 2341, a mounting groove, 235, a press buckle, 3, a driving device, 31, a motor, 32, a motor bracket, 33, a transmission shaft, 34, a fixing bracket, 3511, a driving wheel, 3512, a driven wheel, 3513, a first belt, 352, a first left pulley, 353, a second belt, 354, a first left pressing wheel, 355, a second left pressing wheel, 356, a second left pulley, 357, a third left pulley, a mounting frame, a first belt, a buckle, 359, a first mounting block, 361, a first right pulley, 362. third belt, 363, first right pinch roller, 364, second right pinch roller, 365, second right band pulley, 366, third right band pulley, 367, second belt buckle, 368, second installation piece, 371, grating chi, 372, grating read head, 38, backup pad, 4, braced frame.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1:

referring to fig. 1 to 4, a head maintenance device for a printer is improved in that: the printing module comprises a supporting frame 4, wherein an installation frame 1 is installed above the rear part of the supporting frame 4, a plurality of longitudinally arranged ink receiving assemblies 2 which are transversely arranged at intervals are installed on the installation frame 1, each ink receiving assembly 2 comprises an ink receiving disc 21, and the transverse position and the inclination angle of each ink receiving assembly 2 correspond to the position of a bottom plate at the lower end of a printing module on a printer, so that the ink receiving discs 21 and the lower end surfaces of the upper bottom plates of the printing modules corresponding to the ink receiving discs are mutually parallelly buckled; and the supporting frame 4 is provided with a driving device 3, and the driving device 3 is connected with the mounting frame 1 and used for driving the mounting frame 1 to move back and forth so as to drive the ink receiving assembly 2 to move back and forth.

In this embodiment, referring to fig. 1, an initial position of the installation frame 1 is located above a rear portion of the support frame 4, when the nozzle needs to be cleaned and maintained, the driving device 3 drives the installation frame 1 to move forward to a position below the print module, the ink receiving assemblies 2 on the installation frame 1 are transversely arranged, and the transverse position and the inclination angle correspond to the position of the bottom plate at the lower end of the print module on the printer, so that the ink receiving tray 21 on each ink receiving assembly 2 and the bottom plate of the print module above the ink receiving tray can be matched and fastened with each other, and when the nozzle is subjected to ink pressing, flushing and dredging, the ink receiving tray 21 receives waste ink pressed out from the nozzle and guides the waste ink into the waste ink tank, thereby avoiding pollution of other parts caused by external waste ink spilling, and being more practical and environment-friendly; as shown in fig. 4, an ink absorbing component 22 is installed at the front end of the ink receiving component 2, after the head ink pressing and dredging is completed, the driving device 3 drives the installation frame 1 to move backwards, and in the process of moving backwards, the ink absorbing component 22 absorbs the waste ink remained at the bottom of the head, so that the bottom of the head is kept clean and tidy, and the subsequent printing operation is performed.

The utility model provides a pair of device is maintained to shower nozzle for printer connects black subassembly back-and-forth movement through the drive arrangement drive, connects a plurality of and the bottom plate of a plurality of print module of black subassembly quantity to match the lock each other and accept useless ink, and the cooperation blotter subassembly carries out the secondary clearance to the shower nozzle bottom, has satisfied the functional requirement of maintaining the shower nozzle washing, has guaranteed the normal clear of printing the operation.

Further, the mounting frame 1 includes a left side plate 11 and a right side plate 12 respectively located at the left and right sides, the left side plate 11 and the right side plate 12 are respectively connected to the driving device 3, the mounting frame 1 further includes a front side plate 13 and a rear side plate 14 respectively located at the front and rear sides, and the ink receiving assembly 2 is disposed between the front side plate 13 and the rear side plate 14.

Example 2:

on the basis of the embodiment 1, the upper ends of a plurality of ink receiving assemblies 2 form a multi-section plane which is close to a circular arc surface integrally, so that the upper end surfaces of the ink receiving assemblies 2 are parallel to the lower end surface of a bottom plate in a printing module.

Further, referring to fig. 2, the upper ends of the front side plate 13 and the rear side plate 14 are of a multi-segment broken line structure close to a circular arc, and the ink receiving assembly 2 is installed at the broken line of the front side plate 13 and the rear side plate 14, and the upper ends of the ink receiving assembly 2 and the upper ends of the front side plate 13 and the rear side plate 14 are parallel to each other, so that the upper ends of the ink receiving assembly 2 form a multi-segment plane close to a circular arc surface as a whole.

Further, after the ink receiving assembly 2 is mounted on the mounting frame 1, the front end surfaces of the ink receiving trays 21 on the ink receiving assembly 2 are not flush with each other, so as to match the position of the upper bottom plate of the printing module.

Further, the front end surfaces of the ink receiving discs 21 on the ink receiving assemblies 2 move backwards from left to right in sequence.

Further, the upper end of the front side plate 13 is provided with a plurality of grooves, and the depth of the grooves becomes shallow from left to right.

Further, referring to fig. 8, an installation mark 2321 is arranged on the ink receiving component 2, referring to fig. 4, a position mark 131 corresponding to the installation mark 2321 on the ink receiving component 2 is arranged on the installation frame 1, and the installation position of the ink receiving component 2 is determined by matching the installation mark 2321 and the position mark 131.

The installation mark 2321 and the position mark 131 are arranged, so that the installation position of the ink receiving component 2 can be determined more conveniently and quickly.

Further, the installation marks 2321 are round holes, and the number of the round holes of the installation marks 2321 at different positions is not equal.

Further, referring to fig. 9, the front end of the ink receiving tray 21 is provided with a protrusion 213, after the ink receiving assembly 2 is mounted on the mounting frame 1, the front end surfaces of the protrusions 213 on the ink receiving tray 21 are not flush with each other, and the positions of the front plate 212 of the ink receiving tray 21 and the front end surfaces of the protrusions 213 correspond to the position of the ink absorbing assembly 22.

Further, the bottom end of the ink receiving plate 21 is provided with an ink leaking hole 221, and the ink receiving plate 21 is gradually inclined downwards from the outer side edge of the bottom end surface to the ink leaking hole 221.

In this embodiment, the ink receiving tray 21 is inclined downward from the outer side of the bottom end surface to the ink leaking hole 221, so that the waste ink in the ink receiving tray 21 is collected to the ink leaking hole 221, and the lower end of the ink leaking hole 221 is connected to a pipe for guiding the waste ink into the waste ink tank.

Further, referring to fig. 8, the ink receiving assembly includes a mounting bracket 23, and the ink receiving tray 21 is mounted on the mounting bracket 23.

Further, the mounting bracket 23 includes a left bracket 231 and a right bracket 232 respectively located at the left and right sides, a plurality of bottom brackets are disposed between the left bracket 231 and the right bracket 232, and the ink receiving tray 21 is located between the left bracket 231 and the right bracket 232 and is erected above the bottom brackets.

Further, the installation sign 2321 is disposed at the rear side of the right bracket 232.

Further, the height of the bottom bracket is matched with the height of the bottom end surface of the ink receiving plate 21.

Furthermore, the left bracket 231 and the right bracket 232 are respectively provided with a pressing buckle 235, and the ink receiving tray 21 is pressed and fixed on the bottom bracket through the pressing buckle 235.

Further, the bottom bracket includes a first bottom bracket 233 and a second bottom bracket 234 at the front of the mounting bracket 23, the second bottom bracket 234 is located in front of the first bottom bracket 233, the position of the first bottom bracket 233 corresponds to the position of the front plate 212 of the ink receiving tray 21, and the position of the second bottom bracket 234 corresponds to the position of the front end surface of the protruding portion 213 of the ink receiving tray 21.

Further, one side of the second bottom bracket 234 is provided with a mounting groove 2341, a sinking platform 214 is arranged above the front end of the protruding part 213 of the ink receiving disc 21, and the sinking platform 214 is clamped in the mounting groove 2341.

Further, the distance between the first bottom bracket 233 and the second bottom bracket 234 of the plurality of ink receiving assemblies 2 transversely arranged on the mounting frame 1 is equal.

Further, the positions of the second bottom brackets 234 are sequentially moved backwards from left to right, so that the front end surfaces of the ink receiving discs 21 on the ink receiving assemblies 2 are sequentially moved backwards from left to right.

Example 3:

on the basis of the embodiment 1 or 2, referring to fig. 5, the driving device 3 includes a motor 31, an output end of the motor 31 is provided with a driving wheel 3511, the driving wheel 3511 is connected with a driven wheel 3512 through a first belt 3513, a transmission shaft 33 is installed in the driven wheel 3512 in a penetrating way, a first left belt pulley 352 is installed at the left end part of the transmission shaft 33, a second left belt pulley 356 and a third left belt pulley 357 which are respectively located at the front and rear positions of the left side of the supporting frame 4 are installed on the supporting frame 4, and the first left belt pulley 352, the second left belt pulley 356 and the third left belt pulley 357 are connected with each other through a second belt 353; a first mounting block 359 is mounted on the left side of the mounting frame 1, a first belt fastening plate 358 is mounted on the first mounting block 359, and the first belt fastening plate 358 is connected with the second belt 353 in a matched manner.

Further, a motor bracket 32 is mounted on the supporting frame 4, and the motor 31 is mounted on the motor bracket 32.

Further, support plates 38 are respectively installed at left and right sides of the support frame 4, and left and right ends of the transmission shaft 33 are respectively installed on the support plates 38 and can rotate relative to the support plates 38.

Further, the middle portion of the transmission shaft 33 is inserted into the fixing bracket 34 and can rotate relative to the fixing bracket 34, and the fixing bracket 34 is installed on the supporting frame 4 and is used for supporting the transmission shaft 33.

Further, a first left pressing wheel 354 connected with the outer surface of the second belt in a matched manner is arranged between the first left belt wheel 352 and the second left belt wheel 356, and a second left pressing wheel 355 connected with the outer surface of the second belt in a matched manner is arranged between the first left belt wheel 352 and the third left belt wheel 357.

Further, the first left pinch roller 354 and the second left pinch roller 355 are mounted on the support frame 4.

Further, as shown in fig. 6, a first right belt wheel 361 is installed at the right end of the transmission shaft 33, a second right belt wheel 365 and a third right belt wheel 366 are respectively installed at the front and rear positions of the right side of the supporting frame 4, and the first right belt wheel 361, the second right belt wheel 365 and the third right belt wheel 366 are connected with each other through a third belt 362; a second mounting block 368 is mounted on the right side of the mounting frame 1, a second strap fastening plate 367 is mounted on the second mounting block 368, and the second strap fastening plate 367 and the third strap 362 are connected in a matched manner.

Further, a first right pressing wheel 363 is disposed between the first right belt wheel 361 and the second right belt wheel 365 and is connected to the outer surface of the third belt 362 in a matching manner, and a second right pressing wheel 364 is disposed between the first right belt wheel 361 and the third right belt wheel 366 and is connected to the outer surface of the third belt 362 in a matching manner.

Further, the first right pinch roller 363 and the second right pinch roller 364 are mounted on the supporting frame 4.

In this embodiment, when the driving device 3 works, the motor 31 rotates to drive the driving wheel 3511 to rotate, the driven wheel 3512 is driven to rotate by the first belt 3513, and then the first left belt wheel 352 and the first right belt wheel 361 are driven to rotate by the transmission shaft 33 respectively; under the drive of the first left belt wheel 352 and the second belt 353, the second left belt wheel 356 and the third left belt wheel 357 rotate continuously, and the first belt buckle plate 358 moves back and forth continuously along with the second belt 353 located above the space between the second left belt wheel 356 and the third left belt wheel 357, so as to drive the mounting frame 1 to move back and forth; under the action of the first right belt wheel 361 and the third belt 362, the second right belt wheel 365 and the third right belt wheel 366 rotate continuously, and the second belt buckle 367 moves back and forth continuously along with the third belt 362 located above the space between the second right belt wheel 365 and the third right belt wheel 366, so that the mounting frame 1 is driven to move back and forth synchronously. The first left pinch roller 354, the second left pinch roller 355, the first right pinch roller 363 and the second right pinch roller 364 are arranged to increase wrap angles between the belt and the belt wheel respectively so as to increase transmission power and smoothness.

Further, be equipped with position detection device on braced frame 4, position detection device including set up in second left band pulley 356 with grating chi 371 between the third left band pulley 357, install grating read head 372 on the installation frame 1, grating read head 372 with grating chi 371 phase-match. The grating read head 372 is used for reading the distance of the front and back movement of the mounting frame 1.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.

Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.

In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a device is maintained to shower nozzle for printer which characterized in that: the printing ink receiving device comprises a supporting frame (4), wherein an installation frame (1) is installed above the rear portion of the supporting frame (4), a plurality of ink receiving assemblies (2) which are longitudinally arranged and transversely arranged at intervals are installed on the installation frame (1), each ink receiving assembly (2) comprises an ink receiving disc (21), and the transverse position and the inclination angle of each ink receiving assembly (2) correspond to the position of a bottom plate at the lower end of a printing module on a printer, so that the ink receiving discs (21) and the lower end faces of the upper bottom plate of the printing module corresponding to the ink receiving discs are mutually parallelly buckled; the ink receiving device is characterized in that a driving device (3) is mounted on the supporting frame (4), and the driving device (3) is connected with the mounting frame (1) and used for driving the mounting frame (1) to move back and forth so as to drive the ink receiving assembly (2) to move back and forth.

2. The head maintenance device for a printer according to claim 1, wherein: the upper ends of the ink receiving components (2) form a multi-section plane which is close to a circular arc surface integrally, so that the upper end surfaces of the ink receiving components (2) are parallel to the lower end surface of the middle bottom plate of the printing module.

3. The head maintenance device for a printer according to claim 1, wherein: after the ink receiving assembly (2) is installed on the installation frame (1), the front end faces of the ink receiving discs (21) on the ink receiving assembly (2) are not flush with each other so as to be matched with the positions of the upper bottom plate of the printing module.

4. A head maintenance device for a printer according to claim 3, wherein: connect and be equipped with installation sign (2321) on black subassembly (2), be equipped with on installation frame (1) with connect the mutual position sign (131) that correspond of installation sign (2321) on black subassembly (2), through installation sign (2321) with mutual matching of position sign (131) is in order to confirm connect the mounted position of black subassembly (2).

5. A head maintenance device for a printer according to claim 3, wherein: the front end of the ink receiving disc (21) is provided with a protruding part (213), after the ink receiving assembly (2) is installed on the installation frame (1), the front end faces of the protruding parts (213) on the ink receiving disc (21) are not flush with each other, and the positions of the front plate (212) of the ink receiving disc (21) and the front end faces of the protruding parts (213) correspond to the position of the ink absorbing assembly (22).

6. A head maintenance device for a printer according to claim 1, wherein: the bottom end of the ink receiving disc (21) is provided with an ink leaking hole (221), and the ink receiving disc (21) gradually inclines downwards from the outer side edge part of the bottom end surface of the ink receiving disc to the ink leaking hole (221).

7. The head maintenance device for a printer according to claim 1, wherein: the driving device (3) comprises a motor (31), a driving wheel (3511) is installed at the output end of the motor (31), the driving wheel (3511) is connected with a driven wheel (3512) through a first belt (3513), a transmission shaft (33) is installed in the driven wheel (3512) in a penetrating mode, a first left belt wheel (352) is installed at the left end of the transmission shaft (33), a second left belt wheel (356) and a third left belt wheel (357) which are located at the front and rear positions of the left side of the supporting frame (4) respectively are installed on the supporting frame, and the first left belt wheel (352), the second left belt wheel (356) and the third left belt wheel (357) are connected with one another through a second belt (353); first installation piece (359) is installed on the left side of installation frame (1), install first belt buckle (358) on first installation piece (359), first belt buckle (358) with second belt (353) are mutually supported and are connected.

8. The head maintenance device for a printer according to claim 7, wherein: a first left pressing wheel (354) connected with the outer surface of the second belt in a matched mode is arranged between the first left belt wheel (352) and the second left belt wheel (356), and a second left pressing wheel (355) connected with the outer surface of the second belt in a matched mode is arranged between the first left belt wheel (352) and the third left belt wheel (357).

9. A head maintenance device for a printer according to claim 7, wherein: a first right belt wheel (361) is mounted at the right end of the transmission shaft (33), a second right belt wheel (365) and a third right belt wheel (366) are mounted at the front and back positions of the right side of the supporting frame (4) respectively, and the first right belt wheel (361), the second right belt wheel (365) and the third right belt wheel (366) are connected with each other through a third belt (362); a second mounting block (368) is mounted on the right side of the mounting frame (1), a second belt buckle plate (367) is mounted on the second mounting block (368), and the second belt buckle plate (367) is connected with the third belt (362) in a matched mode.

10. A head maintenance device for a printer according to claim 9, wherein: a first right pinch roller (363) which is connected with the outer surface of the third belt (362) in a matched mode is arranged between the first right belt wheel (361) and the second right belt wheel (365), and a second right pinch roller (364) which is connected with the outer surface of the third belt (362) in a matched mode is arranged between the first right belt wheel (361) and the third right belt wheel (366).

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